What is MVC (Model - View - Controller)?
Ruby On Rails Developer Interview Questions
454 ruby on rails developer interview questions shared by candidates
How to deal with N+1 queries
How would you scale this?
Regular Ruby questions, I had to write two methods/algorithms with some random factor and write unit tests for one of them. After that I got a few questions regarding Rails, Active Record, Relational Databases and stuff like that. Nothing out of the loop or crazy...
Q. How you will design digital wallet like Paytm. Write rough flow diagram and building blocks. Which database you will use and why? Suppose A person sending money to person B. Write a code for the same.
Wanted to know my life story, basically.
Explain association in Rails? Give example of many to many and polymorphic association?
About active jobs? are they synchronous ?
programs on array
merge sort
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